Plasticized butadiene-acrylonitrile copolymer



STATES PATENT OFFICE PLASTICIZED BUTADIENE-ACRYLONITRHIE COPOLYMER Joy G. Uohty, Stow, om, minor to Winston: Corporation, Akron, Ohio, a corporation oi Delaware No Drawing. Application November 12, 1948, Serial No. 510,036

2 Claims. ((1. 266-48) This invention relates to a plssticized, rubber- Other trichloroproplonates which may be simlike copolymer composition composed essentially ilarly employed are: of a copolymer of butadiene and acrylonitrlle. The plasticizer is a trichloro propionate. 5322 The following example is illustrative of the in-" 5 Purmryl memo, momma vellum although of u the mmmundmg Tetrahydroiurmryl trichloro proplonate formula may be varied, and thfl amount of plas- Ethylene b t m propionam ticizer employed may, likewise, be varied: The Memo ethyl memo" pmpmmte tensile and modulus values below are given in Baton ethyl mcmom momma kilograms per square centimeter, which may be 10 38ml trlcmom momma converted to pounds per square inch by multlmien-y! 16mm pronoun plying these values by the conversion iactor 14.2.

The use or easily hydrolyzable compounds, such Example a the phenyl trichloro propionate, will be avoid- Copolymer 110.0 15 edlnthe presence of moisture. Zinc oxide 5.0 I What Iclalmis! Sulfur 2.0 1. A rubber-like compositioncomposed essen- Gas black I so.o tially o! a copolymer of butadiene and acrylo- Drillax (benzothiazyl-z-diethyl suiphennitflle pl m with lloblltyl tr hl ro 9 amide) I 1.0 m p a e Stearic acid 1.0 2. A rubber-like composition composed se Isobutyl trlchloro proplonate 1. 40.0 til-11y of a copolymer of butadiene and unlo- I nltrile plasticiled with an ester 01' trichloro pro- Mod plonic acid, the, ester-forming group being a M hydrocarbon radical.

. JOY G. LIOH'I'Y.

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